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UPSC 2008: How many different triangles are there in the figure shown above?
(a)28
(b)24
(c)20
(d)16
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Not attemptedCorrect Answer: (a) 28
By systematically enumerating every possible triangle in the composite figure—small basic triangles, combinations that span two or more elementary triangles, and the largest outer triangle—the total comes to 28 distinct triangles. Sources that solved the same UPSC 2008 problem confirm the count as 28, making option (a) correct. ([licchavilyceum.com](https://licchavilyceum.com/upsc-civil-services-prelims-2008-solved-question-paper/))
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Frequently Asked Questions
What is the correct answer to this UPSC 2008 Science & Technology question?▼
The correct answer is option (a): 28. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
Which year was this Logical Reasoning & Puzzles question asked in UPSC Prelims?▼
This question was asked in UPSC CSE Prelims 2008, GS Paper 1, as Question 150. It falls under Science & Technology > Logical Reasoning & Puzzles.
What is the difficulty level of this UPSC question?▼
This question is rated "moderate". It requires sound conceptual understanding of the topic.
How many UPSC Prelims questions have been asked from Logical Reasoning & Puzzles?▼
UPSC has asked 71 questions from Logical Reasoning & Puzzles (under Science & Technology) across multiple years. Visit the topic page to see the full list and year-wise trends.